CN212570527U

CN212570527U - Servo control line for robot body

Info

Publication number: CN212570527U
Application number: CN202021163806.XU
Authority: CN
Inventors: 於一飞; 吴菊花
Original assignee: Xinguang Mechatronics Kunshan Co ltd
Current assignee: Xinguang Mechatronics Kunshan Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-02-19
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a servo control line for robot, including power cord, signal line and crust protective layer, outside cladding crust protective layer behind power cord and the signal line stranding, wherein, the signal line includes signal heart yearn, signal shielding silk and signal protective sheath, and the signal shielding silk forms the signal shielding layer in an at least signal heart yearn outside through winding mode cladding, and the signal shielding layer outside is located to the signal protective sheath cover of insulating material, the utility model discloses improved power cord and signal line tensile, antitorque, the ability of bending greatly, ensured simultaneously that the signal line uses for a long time and keeps good shielding nature, avoids signal interference, has realized that power cord and signal line compound in same with the cable to keep long-term signal stable, prolonged the life of whole cable.

Description

Servo control line for robot body

Technical Field

The utility model relates to an electric wire, in particular to servo control line for robot body.

Background

At present, the requirement of the robot industry on control precision is higher and higher, the robot is required to carry out complex operation, and power and signal transmission wires are correspondingly needed. These two types of wires need to be installed separately, wasting installation time and occupying a large space. A small number of wires which compound signals and power lines in the same cable exist in the market, so that the problem of serious short service life exists, and the signal transmission line is seriously interfered by the power lines. The problem of signal interference is the damage of the shielding layer of the electric wire, and the robot electric wire industry focuses on the situation of torsion resistance and bending resistance of the conductor at present, and the protection of the shielding layer is neglected. When the shielding layer is broken, the wires will interfere with each other, especially the signal transmission wires are affected greatly, and even if the signal wire conductor is not broken, the whole signal needs to be replaced after the signal transmission is affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a servo control line for robot, this servo control line for robot can realize that signal line box power cord is compound in a cable, and cable long service life.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a servo control line for robot body, includes power cord, signal line and crust protective layer, outside cladding crust protective layer behind power cord and the signal line stranding, wherein, the signal line includes signal heart yearn, signal shielding silk and signal protective sheath, and the signal shielding silk forms the signal shielding layer in at least one signal heart yearn outside through winding mode cladding, and the signal shielding layer outside is located to the signal protective sheath cover of insulating material.

As a further improvement of the utility model, the signal shielding wire is a tinned anaerobic copper wire with the diameter of 0.05 mm-0.10 mm.

As a further improvement of the utility model, the signal shielding wire outside winding has the anti-loosing band.

As a further improvement of the utility model, at least two signal core wires adopt 100% back-twist process pair twisting.

As the utility model discloses a further improvement, the signal heart yearn outside after the pair twist has first indisputable fluorine dragon band around the package, and the shielding protective layer that the package formed by weaving silk or cotton yarn is still wound in the first indisputable fluorine dragon band outside, and the shielding protective layer outside has second indisputable fluorine dragon band around the package, and the signal shielding silk twines in the shielding protective layer outside.

As the utility model discloses a further improvement, the conductor in the power cord adopts single diameter to be 0.05mm ~ 0.10mm copper-tin alloy conductor to strand according to superfine pitch, and this kind of alloy conductor tensile strength will be far higher than general pure copper or tinned copper, can improve the antitorque ability of conductor. Compared with a common conductor, the copper-tin alloy conductor has stronger tensile and anti-distortion capabilities, the copper-tin alloy conductor is twisted through superfine pitches, so that the copper-tin alloy conductor is smaller in resistance and stronger in signal transmission capability compared with a common copper conductor, a conductor in a signal core wire is a silver-plated oxygen-free copper wire with the diameter of 0.05-0.10 mm, and a bulletproof wire with extremely strong tensile property is added in the center of the silver-plated oxygen-free copper wire.

As a further improvement of the utility model, the insulating layers of the signal core wire and the power line are both made of high-strength elastomers.

As a further improvement of the utility model, the power cord adopts 100% back to turn round technology and signal line cabling together, and center and outer packing have bullet-proof silk when power cord and signal line cabling, and bullet-proof silk has third teflon band around the package outside after the pretwist.

As a further improvement of the utility model, after the power line and the signal line are cabled, the outside of the power line and the signal line is wrapped with the non-woven fabric with larger wrapping strength.

As the utility model discloses a further improvement, the crust protective layer includes first polyurethane layer, shellproof silk woven mesh and second polyurethane layer, shellproof silk woven mesh presss from both sides and locates between first polyurethane layer and the second polyurethane layer, and first polyurethane layer and second polyurethane layer tightly glue together.

The utility model has the advantages that: the utility model adopts the signal shielding wire to wind on the electric wire in a winding way to form a shielding layer, the shielding density is more than 95 percent, and the shielding layer is more difficult to be broken than the conventional wire weaving way, the shielding layer is arranged in the shielding layer formed by the signal shielding wire, the shielding layer has the buffering function, when the signal shielding wire is stressed, the shielding layer can play a good buffering function to protect the signal shielding wire from being broken, the conductor of the power wire and the signal wire of the utility model adopts special materials, the capabilities of tensile resistance and distortion resistance and bending are effectively improved, the utility model greatly improves the tensile resistance, distortion resistance and bending capability of the power wire and the signal wire, simultaneously ensures that the signal wire is used for a long time to keep good shielding property, avoids signal interference, realizes that the power wire and the signal wire are compounded in the same cable, and keeps long-term signal stability, the service life of the whole cable is prolonged.

Drawings

FIG. 1 is a front view of the structure principle of the present invention;

fig. 2 is a front view of the signal line structure principle of the present invention.

Detailed Description

Example (b): the utility model provides a servo control line for robot body, includes power cord 1, signal line 2 and crust protective layer, outside cladding crust protective layer behind power cord 1 and the 2 stranding of signal line, wherein, signal line 2 includes signal heart yearn 3, signal shielding silk 4 and signal protective sheath 5, and signal shielding silk 4 forms the signal shielding layer in the 3 outsides of at least one signal heart yearn through the cladding of winding mode, and the signal shielding layer outside is located to the signal protective sheath 5 cover of insulating material. In the process that the electric wire moves along with the robot, because the signal shielding wire 4 is wound on the electric wire in a winding mode, the electric wire is less prone to being broken than a conventional wire weaving mode, the signal protective sleeve 5 on the outermost layer of the signal wire 2 is made of a polyurethane elastomer, the polyurethane has high resilience, and the signal core wire 3 and the signal shielding wire 4 inside can be well protected.

The signal shielding wire 4 is a tin-plated oxygen-free copper wire with the diameter of 0.05 mm-0.10 mm. The tinned copper wire is uniformly wrapped on the signal core wire 3 in a winding mode, the shielding density is over 95%, and the material is strong in bending resistance and not easy to break.

An anti-scattering tape 6 is wound on the outer side of the signal shielding wire 4. The anti-scattering tape 6 can be a paper tape to prevent the copper wire from scattering.

At least two signal core wires 3 are twisted in pair by adopting a process of 100% back twist.

3 outsides of signal heart yearn after the pair hank are wrapped there is first indisputable fluorine dragon band 7, and the shielding protective layer 8 of being formed by weaving silk or cotton yarn is still wrapped around the package in the first indisputable fluorine dragon band 7 outside, and 8 outsides of shielding protective layer are wrapped there is second indisputable fluorine dragon band 9, and signal shielding silk 4 twines in the 8 outsides of shielding protective layer. 8 outsides of shielding protective layer that form at weaving silk or cotton yarn are around package one deck second teflon band 9 and can prevent that the weaving silk from scattering, have the shielding protective layer 8 of buffering in signal shielding silk 4 below, when signal shielding silk 4 atress, shielding protective layer 8 can play fine cushioning effect, and protection signal shielding silk 4 can not the broken string.

The conductor in the power cord 1 is stranded by a single copper-tin alloy conductor with the diameter of 0.05 mm-0.10 mm according to an extremely fine pitch, the tensile strength of the alloy conductor is far higher than that of common pure copper or tin-plated copper, and the anti-torsion capability of the conductor can be improved. Compared with a common conductor, the copper-tin alloy conductor has stronger tensile and anti-distortion capabilities, the copper-tin alloy conductor is twisted through superfine pitches, so that the copper-tin alloy conductor is smaller in resistance and stronger in signal transmission capability compared with a common copper conductor, a conductor in a signal core wire 3 is a silver-plated oxygen-free copper wire with the diameter of 0.05-0.10 mm, and a bulletproof wire 10 with extremely strong tensile property is added in the center of the silver-plated oxygen-free copper wire. The tensile and twisting-bending resistance of the silver-plated conductor wire can be integrally improved, so that the silver-plated conductor wire is suitable for the use environment of a robot.

The signal core 3 and the insulation layer of the power line 1 are both made of high-strength elastic bodies. The surface friction coefficient of the elastomer is extremely low. The mutual friction between the insulated core wires in the robot motion can be protected, and the loss is reduced.

The power line 1 is cabled together with the signal line 2 by adopting a 100% back-twist process, the center and the outer layer of the power line 1 are filled with the bulletproof wire 10 when being cabled with the signal line 2, and the bulletproof wire 10 is pre-twisted and then is wrapped with a third Teflon wrapping belt 11 on the outer side. The bulletproof wires 10 are pre-twisted after the outer diameter is calculated in advance, a third Teflon bag belt 11 is wrapped after twisting is finished, the surface of the Teflon bag belt is very smooth, the mutual friction between filling and core wires can be reduced, and the filled bulletproof wires 10 can be prevented from being scattered.

After the power line 1 and the signal line 2 are cabled, the outer sides of the power line 1 and the signal line 2 are wrapped with non-woven fabrics 12 with high strength. If the whole line needs to be shielded, a similar signal pair shielding mode is needed, and a textile silk layer is added below the winding isolation to play a role in buffering in a winding isolation mode.

The outer skin protection layer comprises a first polyurethane layer 13, a bulletproof wire woven mesh 14 and a second polyurethane layer 15, the bulletproof wire woven mesh 14 is clamped between the first polyurethane layer 13 and the second polyurethane layer 15, and the first polyurethane layer 13 and the second polyurethane layer 15 are tightly adhered together. The outer skin protective layer needs to be manufactured twice, a layer of woven mesh is made of the bulletproof wires 10 after the first polyurethane layer 13 is extruded for the first time, and then the second polyurethane layer 15 is extruded, so that the two polyurethane layers can be tightly adhered together. And the central bulletproof wire mesh grid 14 can greatly improve the tensile and torsional resistance of the sheath layer, reduce the stress of the whole wire and prevent the conductor and the shielding layer from being broken.

Claims

1. A servo control line for a robot body is characterized in that: including power cord (1), signal line (2) and crust protective layer, outside cladding crust protective layer behind power cord and the signal line stranding, wherein, the signal line includes signal heart yearn (3), signal shielding silk (4) and signal protective sheath (5), and signal shielding silk forms the signal shielding layer in at least one signal heart yearn outside through winding mode cladding, and the signal shielding layer outside is located to the signal protective sheath cover of insulating material.

2. The servo control line for a robot body according to claim 1, wherein: the signal shielding wire is a tin-plated oxygen-free copper wire with the diameter of 0.05 mm-0.10 mm.

3. The servo control line for a robot body according to claim 2, wherein: an anti-scattering tape (6) is wound on the outer side of the signal shielding wire.

4. The servo control line for a robot body according to claim 1, wherein: at least two signal core wires are twisted in pair by adopting a process of 100% back twist.

5. The servo control line for a robot body according to claim 4, wherein: the signal heart yearn outside after the pair hank has around first indisputable fluorine dragon band (7), and the shielding protective layer (8) that the package formed by weaving silk or cotton yarn are still around to first indisputable fluorine dragon band outside, and the shielding protective layer outside has around the package second indisputable fluorine dragon band (9), and signal shielding silk twines in the shielding protective layer outside.

6. The servo control line for a robot body according to claim 1, wherein: the conductors in the power line are stranded by adopting a single copper-tin alloy conductor with the diameter of 0.05-0.10 mm according to superfine pitch, the conductors in the signal core wire are silver-plated oxygen-free copper wires with the diameter of 0.05-0.10 mm, and the center of each silver-plated oxygen-free copper wire is added with a bulletproof wire with extremely strong tensile property.

7. The servo control line for a robot body according to claim 1, wherein: the signal core wire and the insulating layer of the power line are both made of high-strength elastic bodies.

8. The servo control line for a robot body according to claim 1, wherein: the power line is cabled together with the signal line by adopting a 100% back-twist process, the center and the outer layer of the power line are filled with bulletproof wires (10) when the power line is cabled with the signal line, and the outer sides of the bulletproof wires are wrapped with third Teflon wrapping bands (11) after being pre-twisted.

9. The servo control line for a robot body according to claim 1, wherein: after the power line and the signal line are cabled, the outer sides of the power line and the signal line are wrapped with non-woven fabrics (12) with higher strength.

10. The servo control line for a robot body according to claim 1, wherein: the outer skin protective layer comprises a first polyurethane layer (13), a bulletproof wire woven mesh (14) and a second polyurethane layer (15), the bulletproof wire woven mesh is clamped between the first polyurethane layer and the second polyurethane layer, and the first polyurethane layer and the second polyurethane layer are tightly adhered together.